Push button door chime



FIG. 1 is a top, front and side perspective view of a push button door chime showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof, the rear view being identical; and

FIG. 4 is a side elevational view thereof, the opposite side being identical. 

The ornamental design of a push button door chime, as shown. 